-
Notifications
You must be signed in to change notification settings - Fork 0
/
tutorial-code.html
64 lines (53 loc) · 1019 Bytes
/
tutorial-code.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Understanding JavaScript's Capture</title>
</head>
<body class="bod">
<div class="one">
<div class="two">
<div class="three">
</div>
</div>
</div>
<style>
html {
box-sizing: border-box;
}
*, *:before, *:after { box-sizing: inherit; }
div {
width:100%;
padding:100px;
}
.one {
background: thistle;
}
.two {
background:mistyrose;
}
.three {
background:coral;
}
</style>
<button></button>
<script>
const divs = document.querySelectorAll('div');
const button = document.querySelector('button');
function logText(e) {
console.log(this.classList.value);
// e.stopPropagation(); // stop bubbling!
// console.log(this);
}
divs.forEach(div => div.addEventListener('click', logText, {
capture: false,
once: true
}));
button.addEventListener('click', () => {
console.log('Click!!!');
}, {
once: true
});
</script>
</body>
</html>